It's expected to land early 2019.
Eight hours later...
Stitched together from 11 images.
If you see fireballs, you can report them to scientists!
The thing that took down the Meg was not of this Earth.
"This is a great surprise."
Well, that's something.
The comet's closest approach in 70 years!
We made it!
You can even watch the briefing live.